Abstract:In order to study the impact of urban heat island effect on the urban development of Ji'an City,data from the Ji'an Automatic Meteorological Station in Jiangxi Province were used to analyze the geographical overview of Ji'an City and the spatiotemporal distribution characteristics and influencing factors of urban heat island effect.Research has found that the ecological environment in Ji'an City is well protected and there is no significant urban heat island effect,but the average temperature in the urban and suburban areas is showing an increasing trend year by year.The statistical results provide scientific basis for urban planning and environmental management in Ji'an City.